April 01, 1893

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Features

Moving a Bridge by Rail

The Legal Status of Railroad Employes

Position of the Planets in April

An Independent Lathe Chuck

An Improved Car Axle Box

An Improved Camera Lucida

A Recent Improvement in Buckles

An Improved Harrow

The Oldest Musical Instruments

A Tellurian for the Home and School

Improved Rubber Toys

An Electric Heater for Cars

The Telautograph

Factory Driving by Electricity

Dust and Sand Figures on Membranes

By T. O'conor Sloane

The New Steel Steamer El Rio

To Inventors - April 1, 1893

Departments

Letters

Correspondence - April 1, 1893

Recommended

New Books and Publications - April 1, 1893

Departments

Business and Personal - April 1, 1893

Recently Patented Inventions - April 1, 1893

Index of Inventions - April 1, 1893

Purchase To Read More

Digital Issue ?Read or download this issue’s articles online. *A printed copy of this issue is not included. $7.99

Print + Digital All Access Subscription ?Read or download this issue’s articles online. Plus, subscribe to get Print, Online and Tablet access to the next 12 new issues to be released as well as Online access to archives back to 1845. $99.00

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